Problem 6
First, calculate the propogation coefficient and field distribution of the unperturbed waveguide
.
Input the structure and related parameters of the waveguide
The number of layers
N 3
s N 1
ECE 536
Due: Sept. 30th (in class)
HW#2
Note: when computer calculations are required, turn in a printout of entire worksheet.
1. A single- layer dielectric coating is shown below:
n1=1.0
n2=1.4
n3=3.
ECE 536
Due: Tues. Sept. 21 (in class)
HW#1
Note: when Mathcad calculations are required, turn in a printout of entire
worksheet.
1. The real part of the refractive index of GaAs is found to be 3.6 fo
ECE 536
HW#5
Due 11-16-10
1. Fabry-Perot etalon with gain: A laser resonator consists of a Fabry-Perot etalon of
thickness l, Mirror reflectivity R, and containing a material with index; n, and gain;
ECE 536
EXAM 1
Oct. 28, 2010
Prof. L. J. Mawst
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Name: anammwwammwmwrw«asimwammwwwmmwwwwmmwvmmw W$9atmwmmswwxwmmsmwwum‘
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I. A TE wave of amplitude A1 is no
HW#5 solutions
Lateral fields: t=0.1 micron
( a)
Part1 : Parameters
Wavelengt h
0 0.85
k0
Tot al layer number:
2
k0 7.392
0
N 1
s N 1
Part2: Layer Build Up
Refractive index of each layer:
Each layer'
2.3—9- W Sn («+1 «11‘
h =1 C
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0.5:
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HW#6
ECE 536
coupling coefficient for two waveguides
6
:= 10
Note: all micrometer quantities have been absorbed into the speed of light, c, such that [c] =
[micro*m/sec]. Therefore, the cumbersome 10